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Ricoh GXR GR Lens A12 28mm f/2.5 Review

Ricoh GXR GR Lens A12 28mm f/2.5 Review - We review the Ricoh GXR GR Lens A12 28mm f/2.5, with APS-C sized CMOS sensor.

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Category : Compact Cameras
Product : Ricoh GXR GR LENS A12 28mm f/2.5
Price : £684
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Features
Handling
Performance
Verdict
Specification

Ricoh GXR GR LENS A12 28mm f/2.5
Ricoh GXR GR LENS A12 28mm f/2.5

Joshua Waller looks at the new Ricoh GXR with the f/2.5 28mm equivalent GR Lens - the 28mm lens module for the Ricoh GXR system features a 12.3 megapixel APS-C sensor. Nb. Due to similarities between the system, this review is based on the Ricoh GXR M Mount review.

Ricoh GXR GR LENS A12 28mm f/2.5 Features

GXR GR LENS A12 28mm f/2.5
GXR GR LENS A12 28mm f/2.5

The Ricoh GXR GR 28mm Lens unit is one of five different lens units available for the GXR body, with the others being the P10 28-300mm VC unit, the Ricoh GXR M Mount APS-C A12 unit, 50mm macro and 24-72mm.

Ricoh GXR Body
Ricoh GXR Body

The idea behind the system is that you buy the GXR body and lens unit, then when you are familiar with the system and controls you can switch to a different lens when needed. Much like an interchangeable lens camera, however the lens and sensor units are said to be optimised for each other, with the P10 with 10.7x optical zoom lens and compact sensor being much more compact than a 10x zoom lens would be on a large sensor Digital SLR or Compact System Camera.

Key Features

  • 12.3 megapixel APS-C CMOS sensor
  • Ricoh GR 18.3mm f/2.5 Lens - 28mm equivalent in 35mm terms
  • 3fps Continuous shooting speed
  • ISO200 - ISO3200
  • 3 inch screen, 920k dots
  • 720p video
  • Flash hot-shoe
  • Manual Controls
  • RAW support

Ricoh GXR GR LENS A12 28mm f/2.5 Handling


Handling / Controls / Buttons - The body of the GXR system is the same regardless of what lens and sensor unit you attach to the camera and therefore this enables you to become familiar with the camera buttons and controls. The camera features a number of customisable function buttons and an ADJ / Adjust dial that lets you quickly set the most common options such as white balance, ISO, image quality, colour and focus point. The front scroll wheel lets you quickly scroll through the options.

Ricoh GXR GR LENS A12 28mm f/2.5
Ricoh GXR GR LENS A12 28mm f/2.5

The A12 28mm GR Lens comes with a lens cap and a small manual focus ring surrounds the lens. The lens unit fits neatly with the body.

Ricoh GXR Body Rear
Ricoh GXR Body Rear

Menus - The menus are the same regardless of what sensor / lens unit you use on the camera, however some of the features and options alter slightly depending on the module, for example some have extended ISO settings, or high speed shooting and HDR (in the case of the P10). The menus are very logically laid out and the high resolution screen makes reading them easy as the text is very clear. The menu system is split into three main areas: photo shooting menu, key custom options and the setup menu. The key custom options menu lets you customise what the ADJ menu options are, what the Function, Up, Down and Zoom buttons do. The ADJ button can also be set to quickly change the ISO setting without having to press it down.

Ricoh GXR GR LENS A12 28mm f/2.5
Ricoh GXR GR LENS A12 28mm f/2.5

Battery Life - Battery life alters depending on what module is connected and with the M Mount it is rated at 330 shots. We managed to take 320 photos using mostly the M Mount, with the P10 and A12 28mm unit used as well.

Speed - We tested each camera's performance at focusing, shutter response, shot to shot time, continuous shooting etc. and have posted the results below. To test this we took 6 or more shots and calculated the average, so that consistent results were produced, we also made sure to test all the cameras at the same time to ensure the cameras were being tested under the same conditions.

  A12 M Mount A12 28mm P10
Shutter Reponse 0.1 0.05 0.1
Wide - Focus / Shutter Response Manual 0.6 0.4
Full zoom - Focus / Shutter Response Manual N/A 0.6
Switch on Time to Taking a Photo 1.9 2.8 2.4
Shot to Shot (without flash) 1.2 2.0 1.8
Shot to Shot with Flash 1.4 2.4 2.2
Continuous Shooting (JPEG) 2.5fps (~) 3fps 0.6s
 
Continuous Shooting (with Flash) N/A N/A N/A
Continuous Shooting (RAW) 2.5fps (4 shots) 3fps 4 shots 5fps (5 shots)

The camera provides fast shutter response, good continuous shooting at roughly 3fps. Shot to shot time could be quicker and focusing was generally a little slow compared to the other lens units.

Ricoh GXR GR LENS A12 28mm f/2.5 Performance

Click to view larger or click "Hi-Res" to view full size sample photos. Additional photos and product shots can be found in the Equipment Database for the Ricoh GXR GR Lens - where you can add your own review and photos.

Ricoh GXR GR LENS A12 28mm f/2.5 Sample Photos


Sample photos - The wide angle lens isn't ideal for portraits, being more suited to landscape shots. Macro photos aren't especially suited to the lens either, however it gets reasonably close for a wide angle lens, focusing with subjects 20cm away from the lens.

Ricoh GXR GR LENS A12 28mm f/2.5 Lens test images


Lens test images - The lens performed extremely well in a variety of conditions, producing very little lens flare, lots of detail and a lack of purple fringing in the photo of the trees above, except in the very far corners.

Ricoh GXR GR LENS A12 28mm f/2.5 ISO test images


ISO noise performance - The camera gives a good range of ISO settings from ISO100 to ISO3200. ISO100 and ISO200 results are very good with low noise and good detail and colour. ISO400 shows an increase in noise. ISO800 and ISO1600 show another increase in noise, although results are still very usable. ISO3200 shows more noise again, but the results are usable with a film-like quality to the noise.

Ricoh GXR GR LENS A12 28mm f/2.5 White-balance test images


Auto White Balance performance - AWB produces images with a slight yellow cast under tungsten lighting and using the tungsten preset produces much more accurate colours. Under fluorescent lighting the camera produces good results with just a slight colour cast. Detail is good even in the shadow areas.

Digital Filters / Panoramic mode, Scene modes: The GXR A12 28mm lens unit has very few digital filters / scene modes, with the options being: Movie, Portrait, Sport, Landscape, Nightscape and Skew Correct mode.

Video: 1280x720 / 24fps is available on this camera. The video mode is accessed through the Scene mode on the dial, which makes it not the most easy to access.


Value For Money

The Ricoh GXR plus 28mm lens module costs £250 for the GXR body and the 28mm f/2.5 lens and sensor unit can be found for around £419, making it £669 for a 28mm f/2.5 digital camera with APS-C sensor. A similar specification Digital SLR such as the Pentax K-r with kit lens is around £399 or less and a Micro Four Thirds camera with kit lens is available from around £350, both cameras feature built in image stabilisation.

Ricoh GXR GR LENS A12 28mm f/2.5 Verdict

The Ricoh GXR with 28mm f/2.5 module is a reasonable camera to use with the camera providing quick shutter response and a solid, well designed body. The cost of the camera puts it well above the price of a similar camera system, such as a Digital SLR or Micro Four Thirds camera. You could buy a Micro Four Thirds camera with kit lens for £350, then a Panasonic 20mm f/2.0 lens for £259 and still have change left over for other accessories. Image quality and camera control are both very good, but the camera's slow focusing speed with this lens unit and the high price make it difficult to recommend.

Ricoh GXR GR LENS A12 28mm f/2.5 Pros

High quality lens
GXR Body is very good
Great handling
Great screen
Excellent image quality
Low noise


Ricoh GXR GR LENS A12 28mm f/2.5 Cons

Lacks image stabilisation
High price compared to other systems
Other GXR modules may not appeal to you

FEATURES
HANDLING
PERFORMANCE
VALUE FOR MONEY
VERDICT

 

Ricoh GXR GR LENS A12 28mm f/2.5 Specifications

ManufacturerRicoh
Lens
Max Aperturef/2.5 - f/22
35mm equivalent28mm
Optical Zoom0x
Image Sensor
CCD pixels12.3Mp (Megapixels)
Pixels (W)4288
Pixels (H)2416
Sensor TypeCMOS
Sensor SizeAPS-C
Sensor Size (width)23.6mm
Sensor Size (height)15.7mm
Aspect Ratio
  • 4:3
  • 3:2
  • 16:9
  • 1:1
LCD Monitor
LCD Monitor3in
Screen resolution920k
Touch ScreenNo
Focusing
Min Focus20cm
Focusing modes
  • Manual
  • Autofocus
  • Snap
Exposure Control
Shutter speeds shortest1/4000sec
Shutter speeds longest180sec
Exp modes
  • Program
  • Aperture-Priority
  • Shutter-Priority
  • Manual
  • Scene modes
Metering
  • Centre-weighted - Average
  • Spot
  • TTL
ISO sensitivity200 - 3200
White balance
  • Auto
  • Manual
  • Bracket
  • Outdoors/Daylight
  • Cloudy
  • Incandescent
  • Fluorescent
Exposure Comp+/-4
Shooting Options
Continuous shooting2.2fps
Video
Movie modeYes
Video Resolution
  • 1280x720 720p
  • 640x480 VGA
  • 320x240 QVGA
Video FPS24
Stereo SoundNo
Optical Zoom with VideoNo
Other Features
Image StabilisationNo
Interface
HDMIYes
USBUSB 2
Wi-FiNo Data
Storage
Card Type
  • SD
  • SDHC
File Type
  • RAW
  • JPG
  • RAW + JPG
Power Source
Battery TypeLithium Ion
CIPA Rating330
Box Contents
Box ContentsNo Data
Dimensions
Weight170g
Width79.1mm
Height60.9mm
Depth40.5mm

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    Photographs taken using the Ricoh GXR GR LENS A12 28mm f/2.5

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